A.絕對(duì)誤差;10%B.絕對(duì)誤差;5%C.相對(duì)誤差;10%D.相對(duì)誤差;5%
A.10t;10t B.5t;5t C.10t;5t D.5t;6t
A.5 B.10 C.30 D.20